sInfoEra
Home
MCQs
Biology — Quiz
Biology MCQS section -2
46 questions · Test your knowledge
Home
/
MCQs
/
Biology MCQS section -2
1
Which of the following hormones has intracellular receptors?
A
cortisol.
B
insulin.
C
epinephrine.
D
none
2
Flowers in which polllination takes place by insect their pollen grains are ________
A
Smooth and dry
B
Rough and sticky
C
Rough and dry
D
Large in Size
3
In which organ RBC are selectively destroyed/recycled by macrophages?
A
Kidney
B
Pancreas
C
Spleen
D
Liver
4
Which organ is the main digester and absorber of food?
A
Stomach
B
Liver
C
Colon
D
Small intestine
5
Infection of salivary glands by a virus leads to
A
tetanus
B
mumps
C
pyorrhoea
D
ulcers
6
Which of the following is not a function of saliva?
A
contains fluoride to harden the tooth enamel
B
moistens food and helps stick it together to make it easier to swallow
C
begins the chemical breakdown of starches
D
helps clean the mouth
7
Scientist who discovered blood groups
A
Krebs
B
Pavlov
C
Karl Landsteiner
D
Darwin
8
Muscles get tired when there is shortfall of ___________.
A
Lactic acid
B
Na+ ions
C
ATP
D
Sulphates
9
The rate of respiration per minute in a new born baby
A
18 times
B
32 times
C
26 times
D
16 times
10
Which tissue provides support to plants and also stores food?
A
Parenchyma
B
Collenchyma
C
Sclerenchyma
D
No option is correct
11
Closely stacked flattened sacs (plants only)
A
Vacuoles
B
Lysosomes
C
Golgi apparatus
D
None of the above
12
The arbor vitae refers to
A
the pleatlike convolutions of the cerebellum
B
cerebellar gray matter
C
flocculonodular nodes
D
cerebellar white matter
13
Which organelle is the control center of a cell?
A
Nucleus
B
Cytoplasm
C
Cell membrane
D
endoplasmic reticulum
14
Which of the following is an Autoimmune disease?
A
Systematic lupus erythematosus
B
Acute anaphylaxis
C
Farmer's lung
D
A heart attack
15
Which statement regarding the mammalian heart is correct?
A
Blood is pumped from the heart via the atria.
B
Oxygen-loaded blood moves only through the right side of the heart.
C
When the right atrium contracts, it forces blood into the left atrium.
D
In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs.
16
Who is known as father of Biology
A
Aristotle
B
Darwin
C
Lamark
D
Linneus
17
Melvin calvin got Noble Prize for his studies on
A
Light reaction
B
Plant hormones
C
Carbon fixation
D
Photons
18
Select the correct statement about cellular respiration?
A
All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecule
B
All the carbon atoms in glucose ultimately incorporated during cellular respiration into NADH molecule
C
All the carbon atoms in glucose ultimately incorporated during cellular respiration into ATP molecule
D
All the carbon atoms in glucose ultimately incorporated during cellular respiration into water molecule
19
The external oblique muscle is named due to its
A
Action
B
Fiber detection
C
Location
D
Attachment points
20
Photosynthesis fulfills which of the following requirements of the autotrophic organisms? I. Carbon II. Water III. Energy
A
Only I
B
Only III
C
I and III
D
All I, II and III
21
Where does cellular respiration take place in the cell?
A
cytoplasm
B
mitochodria
C
Ribosomes
D
Chromosomes
22
Study of inter relationship between living organism and their environment is called _______
A
Plant Geography
B
Plant social science
C
Ecology
D
Ecosystem
23
The storage form of glucose in animals is
A
Starch
B
Glucose
C
Glycogen
D
None of the above
24
Which statement is true about blood alcohol concentration?
A
The higher the blood alcohol concentration, the more severe the hangover will be.
B
Drinking coffee and exercising will lower your blood alcohol concentration.
C
Blood alcohol concentration is affected by factors such as body size and gender.
D
None of the above
25
Which formula represents an amino acid?
A
R-CH3(NH2)-COOH
B
R-CH(NH2)-COOH
C
R-CH2(NH2)-COOH
D
R-CH3(NH2)-COH
26
Sponges are most accurately described as
A
marine predators
B
chemoautrophs
C
filter feeders
D
freshwater scavengers
27
Organisms that live in the deep sea are mainly
A
Herbivores
B
Carnivores
C
Detritivores
D
None of the above
28
The inherited traits of an organism are controlled by
A
DNA
B
Enzymes
C
Nucleotides
D
RNA
29
Lobar Pneumonia refers to a lung infection in which it affects
A
large part of the lobe or lung
B
small segment of the lung
C
both lungs
D
None of the above
30
Organisms that depend only on raw plant products are said to be
A
herbivorous
B
vegetarian
C
carnivorous
D
omnivorous
31
How many amino acids are found in living organisms?
A
1500
B
3000
C
20
D
4
32
Important component that helps in clotting of the blood is called ____.
A
Haemoglobin
B
Platelets
C
Serum
D
Plasma
33
Secondary consumers are eaten by larger
A
fast animal
B
animal in the third trophic level
C
herbivorous animal
D
predator
34
In photosynthesis________
A
Light energy is converted into chemical energy
B
Chemical energy is converted into Light energy
C
Chemical energy is converted into electrical energy
D
Light energy is converted into Mechanical energy
35
Genes are made of
A
Carbohydrates
B
Proteins
C
Fats
D
Nucleotides
36
Phage typing is based on the fact that
A
viruses cause disease
B
bacteria and viruses are related
C
bacteria are destroyed by viruses
D
bacterial viruses attack specific cells
37
Which of the following is not a function of proteins?
A
Build tissues such as bone and muscle
B
Help to fight disease
C
Nail formation
D
Store and transmit Heredity
38
Synapsis occurs during
A
Mitosis
B
Meiosis
C
Both A & B
D
None
39
Compared to land, the open oceans
A
are rich in silica and iron
B
are nutrient-poor environments
C
contain unlimited nitrogen
D
are nutrient-rich environments
40
Nucleoli are present during
A
prophase
B
anaphase
C
interphase
D
prometaphase
41
Veins seen in the leaves, serve the function of
A
Transpiration
B
Photosynthesis
C
Storage
D
Conduction
42
Which of these is Not a Carcinogen?
A
Cadmium
B
Asbestos
C
Benzene
D
All the above
43
Which of the following can be a symptom of AIDS?
A
Hair loss
B
Severe weight gain
C
Tiredness
D
All the above
44
Higher doses of barbiturates result in
A
Lack of emotional control
B
Impaired thinking
C
Both A & B
D
None of the above
45
Which of the following organelle is known as the 'Power House' of the cell?
A
Golgi Bodies
B
Ribosomes
C
Mitochondria
D
None of these
46
Which of the following muscular tissue is multinucleated?
A
Smooth muscle
B
Cardiac muscle
C
Skeletal muscle
D
Unstriated muscle
Submit Quiz
Back to All Quizzes